The researcher at the university told the correspondent of the National Iraqi News Agency / NINA / that the thesis included an environmental study of planktonic algae and aquatic plants conjoined in the Abbasid River - located in the an area to the north east of the city of Najaf.

In fact, planktonic algae in the world's oceans convert large amounts of atmospheric C02 through photosynthesis into organic tissue, and as a byproduct produce more than 25 per cent of the oxygen supply of the entire planet--the equivalent of all terrestrial rainforests combined.

In aquatic environments, salinity is considered an important ecological variable, particularly in estuarine regions, salt water ponds, and shore areas where planktonic algae are often subjected to widely fluctuating salt concentrations (Guillard, 1962).

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